Home / 61,319.84-84,511.15-45,376.61

Finding the Fourth Proportional to 61,319.84, 84,511.15 and 45,376.61

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Solution

The fourth proportional to 61,319.84, 84,511.15 and 45,376.61 is: 62,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,319.84 : 84,511.15 = 45,376.61 : x
  2. Step 2: Convert to fraction form
    61,319.84/84,511.15 = 45,376.61/x
  3. Step 3: Cross multiply
    61,319.84x = 84,511.15 × 45,376.61
  4. Step 4: Simplify right side
    61,319.84x = 3,834,828,958.20
  5. Step 5: Solve for x
    x = 3,834,828,958.20/61,319.84
  6. Step 6: Final answer
    x = 62,538.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.